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1! Test lowering of character concatenation to HLFIR2! RUN: bbc -emit-hlfir -o - %s 2>&1 | FileCheck %s3 4subroutine concat(c1, c2, c3)5 character(*) :: c1, c2, c36 c1 = c2 // c37end subroutine8! CHECK-LABEL: func.func @_QPconcat9! CHECK: hlfir.declare {{.*}}c110! CHECK: %[[VAL_5:.*]]:2 = fir.unboxchar %{{.*}} : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)11! CHECK: %[[VAL_6:.*]]:2 = hlfir.declare {{.*}}c212! CHECK: %[[VAL_7:.*]]:2 = fir.unboxchar %{{.*}} : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)13! CHECK: %[[VAL_8:.*]]:2 = hlfir.declare {{.*}}c314! CHECK: %[[VAL_9:.*]] = arith.addi %[[VAL_5]]#1, %[[VAL_7]]#1 : index15! CHECK: %[[VAL_10:.*]] = hlfir.concat %[[VAL_6]]#0, %[[VAL_8]]#0 len %[[VAL_9]] : (!fir.boxchar<1>, !fir.boxchar<1>, index) -> !hlfir.expr<!fir.char<1,?>>16 17subroutine concat_2(c1, c2, c3)18 character(*) :: c1(100)19 character :: c2(100)*10, c3(100)*2020 c1(1) = c2(1) // c3(1)21end subroutine22! CHECK-LABEL: func.func @_QPconcat_223! CHECK: %[[VAL_9:.*]] = arith.constant 10 : index24! CHECK: %[[VAL_13:.*]]:2 = hlfir.declare %{{.*}}c225! CHECK: %[[VAL_15:.*]] = arith.constant 20 : index26! CHECK: %[[VAL_19:.*]]:2 = hlfir.declare {{.*}}c327! CHECK: %[[VAL_21:.*]] = hlfir.designate %[[VAL_13]]#0 (%{{.*}}) typeparams %[[VAL_9]] : (!fir.ref<!fir.array<100x!fir.char<1,10>>>, index, index) -> !fir.ref<!fir.char<1,10>>28! CHECK: %[[VAL_23:.*]] = hlfir.designate %[[VAL_19]]#0 (%{{.*}}) typeparams %[[VAL_15]] : (!fir.ref<!fir.array<100x!fir.char<1,20>>>, index, index) -> !fir.ref<!fir.char<1,20>>29! CHECK: %[[VAL_24:.*]] = arith.addi %[[VAL_9]], %[[VAL_15]] : index30! CHECK: %[[VAL_25:.*]] = hlfir.concat %[[VAL_21]], %[[VAL_23]] len %[[VAL_24]] : (!fir.ref<!fir.char<1,10>>, !fir.ref<!fir.char<1,20>>, index) -> !hlfir.expr<!fir.char<1,30>>31 32subroutine concat3(c1, c2, c3, c4)33 character(*) :: c1, c2, c3, c434 c1 = c2 // c3 // c435end subroutine36! CHECK-LABEL: func.func @_QPconcat337! CHECK: hlfir.declare {{.*}}c138! CHECK: %[[VAL_5:.*]]:2 = fir.unboxchar %{{.*}}39! CHECK: %[[VAL_6:.*]]:2 = hlfir.declare {{.*}}c240! CHECK: %[[VAL_7:.*]]:2 = fir.unboxchar %{{.*}}41! CHECK: %[[VAL_8:.*]]:2 = hlfir.declare {{.*}}c342! CHECK: %[[VAL_9:.*]]:2 = fir.unboxchar %{{.*}}43! CHECK: %[[VAL_10:.*]]:2 = hlfir.declare {{.*}}c444! CHECK: %[[VAL_11:.*]] = arith.addi %[[VAL_5]]#1, %[[VAL_7]]#1 : index45! CHECK: %[[VAL_12:.*]] = hlfir.concat %[[VAL_6]]#0, %[[VAL_8]]#0 len %[[VAL_11]] : (!fir.boxchar<1>, !fir.boxchar<1>, index) -> !hlfir.expr<!fir.char<1,?>>46! CHECK: %[[VAL_13:.*]] = arith.addi %[[VAL_11]], %[[VAL_9]]#1 : index47! CHECK: %[[VAL_14:.*]] = hlfir.concat %[[VAL_12]], %[[VAL_10]]#0 len %[[VAL_13]] : (!hlfir.expr<!fir.char<1,?>>, !fir.boxchar<1>, index) -> !hlfir.expr<!fir.char<1,?>>48